News tagged with hole
Black holes and star formation
(PhysOrg.com) -- It has long been recognized that galaxy mergers or even close interactions can play a vital role in shaping the morphology of galaxies. One way they can do so, it is thought, is by triggering ...
Feb 09, 2012 |
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Distorting the lens
(PhysOrg.com) -- One of the most bizarre predictions of Einstein's Theory of General Relativity is the existence of back holes, objects that are so dense that not even light can escape from their gravitational ...
Feb 09, 2012 |
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Chandra finds Milky Way's black hole grazing on asteroids
(PhysOrg.com) -- The giant black hole at the center of the Milky Way may be vaporizing and devouring asteroids, which could explain the frequent flares observed, according to astronomers using data from NASA's ...
Feb 08, 2012 |
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'Shish kebab' structure provides improved form of 'buckypaper'
Scientists are reporting development of a new form of buckypaper, which eliminates a major drawback of these sheets of carbon nanotubes -- 50,000 times thinner than a human hair, 10 times lighter than steel, ...
Nanotechnology / Nanomaterials
Feb 08, 2012 |
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NASA's Galaxy Evolution explorer in standby mode
(PhysOrg.com) -- NASA's Galaxy Evolution Explorer, or Galex, was placed in standby mode today as engineers prepare to end mission operations, nearly nine years after the telescope's launch. The spacecraft ...
Space & Earth / Space Exploration
Feb 08, 2012 |
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Security flaw exposed in home security cameras
Trendnet, a maker of Web-connected home security cameras, has issued an update to fix a vulnerability that allows Internet users to spy on private video feeds.
Feb 07, 2012 |
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Crystalline materials enable high-speed electronic function in optical fibers
Scientists at the University of Southampton, in collaboration with Penn State University have, for the first time, embedded the high level of performance normally associated with chip-based semiconductors ...
Feb 05, 2012 |
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Do black holes help stars form?
(PhysOrg.com) -- The center of just about every galaxy is thought to host a black hole, some with masses of thousands of millions of Suns and consequently strong gravitational pulls that disrupt material around ...
Feb 03, 2012 |
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Classic portrait of a barred spiral galaxy
(PhysOrg.com) -- The NASA/ESA Hubble Space Telescope has taken a picture of the barred spiral galaxy NGC 1073, which is found in the constellation of Cetus (The Sea Monster). Our own galaxy, the Milky Way, ...
Feb 03, 2012 |
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Repulsive gravity as an alternative to dark energy (Part 2: In the quantum vacuum)
(PhysOrg.com) -- During the past few years, CERN physicist Dragan Hajdukovic has been investigating what he thinks may be a widely overlooked part of the cosmos: the quantum vacuum. He suggests that the quantum vacuum has ...
Feb 01, 2012 |
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NASA's NuSTAR ships to Vandenberg for March 14 launch
(PhysOrg.com) -- NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, shipped to Vandenberg Air Force Base, Calif., on Tuesday, to be mated to its Pegasus launch vehicle. The observatory will detect X-rays ...
Space & Earth / Space Exploration
Jan 25, 2012 |
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The wild early lives of today's most massive galaxies
(PhysOrg.com) -- Using the APEX telescope, a team of astronomers has found the strongest link so far between the most powerful bursts of star formation in the early Universe, and the most massive galaxies ...
Jan 25, 2012 |
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Stephen Hawking misses second 70th birthday party
British scientist Stephen Hawking was forced to miss a second celebration of his 70th birthday due to illness, organisers said late Thursday.
Jan 20, 2012 |
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Low temperatures enhance ozone degradation above the Arctic
Extraordinarily cold temperatures in the winter of 2010/2011 caused the most massive destruction of the ozone layer above the Arctic so far: The mechanisms leading to the first ozone hole above the North Pole ...
Space & Earth / Earth Sciences
Jan 19, 2012 |
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CMS in 2011: A mountain of particle collision data
Datasets are the currency of physics. As data accumulate, measurement uncertainty ranges shrink, increasing the potential for discoveries and making non-observations more stringent, with more far-reaching ...
Jan 17, 2012 |
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